Kindly remind that for this small item the key component is the inside spring&comma;which decides the retractable mechanical and using life&comma;we start from doing spring and our spring is our great advantage and we provide spring for China CRH train so don't worry our quality&period;

1&period; Retractable badge reel also is called reel badge holder&comma;which is a built in spring scroll for manual stretch retractable device&period;

2&period; Function&colon; Good stationery be hung over lanyards or ID card or Key&period;